SKU: 22431324743

Shimano DM Drop-Stop Chainring - Boost - Shimano HG+

$168.29 $186.99
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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3

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Description

Shimano DM Drop-Stop Chainring - Boost - Shimano HG+These chainrings are for Shimano direct mount cranks. The Wolf Tooth chainrings feature our patented Drop Stop design for the best wear life, chain retention and mud clearance. COMPATIBILITY Shimano XTR M9100, XT M8100, SLX M7100, and Deore M6100 series 12 speed cranksets. Super boost cranksets models M8120, M8130, M7120 and M7130 use the Boost chainring. These Super Boost cranksets have a longer spindle and do not use the Super Boost chainring. These

These chainrings are for Shimano direct mount cranks. The Wolf Tooth chainrings feature our patented Drop-Stop® design for the best wear life, chain retention and mud clearance.


COMPATIBILITY



  • Shimano XTR M9100, XT M8100, SLX M7100, and Deore M6100 series 12 speed cranksets.

  • Super boost cranksets -models M8120, M8130, M7120 and M7130 - use the Boost chainring. These Super Boost cranksets have a longer spindle and do not use the Super Boost chainring. These cranks and ring should ONLY be used on bikes with Super Boost rear hub spacing (157mm)

  • Boost cranksets - models M9100, M8100, M7100, MT610 - will use a Boost ring with Boost rear hub spacing (148mm) and a Super Boost ring with Super Boost rear hub spacing (157mm).

  • Use Drop-Stop ST with Shimano 12-speed Hyperglide+ and 12spd KMC chains.  



DROP-STOP TECHNOLOGY


Wolf Tooth’s patented Drop-Stop® wide/narrow tooth profile delivers ultimate chain retention and mud shedding ability.



RECOMMENDATIONS



  • We recommend the use of a clutch style rear derailleur for the best chain security.

  • For a longer lasting and more durable option, check out the CAMO System that offers stainless steel chainrings.


 


 


SPECIFICATIONS


Weights: 32t • 66g | 34t • 72g
Material: 7075-T6 aluminum
Made in the USA



The Story


Wolf Tooth was founded to design and manufacture precision cycling products that emphasize function, performance, and reliability to meet the needs of our fellow racers and riders.


We are a group of cyclists in Minneapolis, Minnesota that spend a lot of time talking about bike components. Like most detail-obsessed riders, we're always looking for new products that could make our bikes lighter, faster, more versatile, or more reliable. We pride ourselves on delivering premium products of the highest quality.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 22431324743

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4.4 ★★★★★
Based on 6 reviews
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Verified Purchase
Dayami Morales
San Leandro, US
★★★★★ 5
Fun Dog Toy
Color: Orange - 3.15Inch, Color: Orange - 3.15Inch
My Goldendoodle loves this ball! It’s the perfect size, easy to carry, and keeps her busy for a long time. Great purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2026
E
emma
Cuba, US
★★★★★ 5
Orange Ball Endless Dog Zoomies
Color: ‌Tangerine - 3.15Inch
My dog was immediately curious about this ball, and it quickly turned into one of the toys that gets pulled out multiple times throughout the day. The movement keeps things interesting and encourages chasing in a way that a regular ball doesn’t. I like that it keeps my dog occupied when the weather isn’t great for long outdoor play sessions. The textured surface provides a decent grip when carrying it around the house. It has bounced off furniture and walls a few times and still looks surprisingly good afterward. The size worked well for my medium-sized dog and was easy for him to grab. There were a couple moments where it got stuck in tight spaces, but that’s more a result of enthusiastic play than a problem with the toy itself. The activity level definitely increased when this ball started moving around. It’s been a fun way to add a little extra excitement to indoor playtime.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2026
A
Amazon Customer
Lowell, US
★★★★★ 5
Easy to charge and bounces nicely on the grass
Color: ‌Tangerine - 3.15Inch
Getting the kids' backpacks ready usually means the dog gets ignored for a bit and starts pacing. I turn this ball on and toss it out the back door. It has a surprising amount of bounce on the grass, and the random movements keep him running circles trying to catch it. Pushing the button to switch the rolling modes is straightforward. The battery gets me through a few play sessions before it needs to be plugged back in. The outer shell gets pretty dirty outside, but wiping it down with a damp rag cleans it right up. It’s got a decent weight to it, so it doesn't just get stuck under the lawn chairs immediately.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 12, 2026
S
Verified Purchase
Sean B
Grantham, US
★★★★★ 1
Beware of poor quality issues!
Color: Orange - 3.15Inch, Color: Orange - 3.15Inch
Got limited use out of ball, seemed to have quite a strong motor and was going to be a good buy. But upon going to recharge it for the first time, discovered the USB port was completely loose/not attached. Will steer clear of this brand going forward.
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Reviewed in the United States on May 26, 2026
A
AmazonCustomer
Draper, US
★★★★★ 5
The Ball Never Gets Boring
Color: ‌Tangerine - 3.15Inch
My dog was immediately curious about this ball, and that curiosity turned into a surprisingly long play session. The movement keeps things unpredictable enough that it holds attention longer than a standard toy. I liked that it encouraged activity without requiring me to constantly throw something across the room. The textured surface also seemed easy for my dog to grab and carry around. One thing I noticed is that hard floors allow the ball to move around much more dramatically than carpet. It feels sturdy enough to handle enthusiastic play and occasional chewing. The bright color makes it easy to spot when it inevitably ends up under furniture. Charging was simple and didn’t become a hassle.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 13, 2026

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